/*
   Copyright (c) 2011 Mizar Tools Contributors (mizartools.org)

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/
/*  Contributors :
 *	2011-02-04 Marco Riccardi - initial implementation
 *
 */
package org.mizartools.system.utility;

import java.util.HashMap;

import org.mizartools.system.Article;
import org.mizartools.system.Symbols;
import org.mizartools.system.VocabularyFile;

public class VocabularyItem {
	private static HashMap<String, VocabularyItem> hashMapVocabularyItem = new HashMap<String, VocabularyItem>();
	
	public final String articleId;
	public final Symbols symbols;
	public final int nrG;
	public final int nrK;
	public final int nrL;
	public final int nrM;
	public final int nrO;
	public final int nrR;
	public final int nrU;
	public final int nrV;
	
	private VocabularyItem(Article article) {
		articleId = article.getAid();
		symbols = VocabularyFile.getSymbols(articleId);
		nrG = symbols.getNumberOfSymbolG();
		nrK = symbols.getNumberOfSymbolK();
		nrL = symbols.getNumberOfSymbolL();
		nrM = symbols.getNumberOfSymbolM();
		nrO = symbols.getNumberOfSymbolO();
		nrR = symbols.getNumberOfSymbolR();
		nrU = symbols.getNumberOfSymbolU();
		nrV = symbols.getNumberOfSymbolV();
	}
	
	public static VocabularyItem getVocabularyItem (Article article) {
		String aid = article.getAid();
		if (!hashMapVocabularyItem.containsKey(aid)) {
			VocabularyItem vocabularyItem = new VocabularyItem(article);
			hashMapVocabularyItem.put(aid, vocabularyItem);
		} 
		return hashMapVocabularyItem.get(aid);
	}
}
